362 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
KEY TO LEPIDOPTEROUS LARVAE—Continued 
oan Geometers from 1 to nearly 2 inches in length when full grown— 
Continued 
Cherry (wild), blueberry, huckleberry, sweet fern, ete.— 
June-August; pale yellow; head dotted with black; body 
with black markings on sides presenting a chain-dotted 
effect; length about 2 inches 
Cingilia catenaria (Drury), p. 436. 
Cherry (wild), basswood, oak, ete.—June-early August; 
green, head rather flat, oblique; body with a broad sub- 
dorsal stripe on each side, a broken purplish brown line 
on the dorsum, and a yellowish stigmatal stripe; length 
PL einchesseaa sss Melanolophia canadaria (Guen.), p. 429. 
Cherry (wild), chestnut, maple, oak, poplar, willow, ete.— 
spring and summer; gray or brown; somewhat mottled or 
marked with dark brown or black; 14% to 2 inches 
Euchlaena spp., p. 488. 
Cherry (wild), larch, and black locust—July—October; head 
quadrate, brown; body increasing in girth toward anal end, 
brown, with lighter and darker markings; length 114 inches 
Pero honestarius (Wlkr.), p. 426. 
Cherry (wild), maple, willow, blueberry, sweetfern, ete.— 
June—September; purplish brown to light brown; head 
rounded, flattened in front; the second thoracic segment 
swollen and streaked with reddish; the hinder part of the 
fourth abdominal segment swollen above and marked with 
white; dorsum of eighth segment bearing a pair of tuber- 
cles; length about 2 inches 
Prochoerodes transversata (Drury), p. 437. 
Elm, basswood, red maple, ete.— May and June; dark brown 
to black; its large head and anal segment reddish; length 
about 1% inches____Ennomos subsiqnarius (Hbn.), p. 434. 
Grape and Virginia creeper—May—July; pale green with 
reddish markings; head flattened in front, bilobed; slender, 
about 1% inches in length 
Lygris diverstlineata (Hbn.), p. 428. 
Hemlock and balsam fir—June—August; yellowish green; 
head and body flecked with black; length about 1% inches 
Lambdina fiscellaria fiscellaria (Guen.), p. 434. 
Hemlock—July—September; vellowish; head with brown or 
blackish spots; body obscurely marked, darkest on sides, 
the sides and venter with dark brown wavy lines; length 
about 1% inches 
Lambdina athasaria athasaria (Wlkr.), p. 435. 
Oak and other deciduous forest trees—May—July; flesh 
colored with many fine, wavy blackish lines giving it a drab 
appearance; head flat, quadrangular, mottled with black; 
body bearing small piliferous tubercles; length 114 inches 
Phigalia titea (Cram.), p. 481. 
Oak and other deciduous forest trees—late April to early 
July; head rust brown; body vellow with ten wavy black 
lines on dorsum; legs yellow; length about 1% inches 
Erannis tiliaria (Harr.), p. 432. 
Oak—June—September; slate gray; head angular, bilobed; 
first two thoracic segments marked with reddish brown 
and black; body stout, many wartlike tubercles; some seg- 
ments swollen; length about 2 inches 
Nacophora quernariva (A. & §.), p. 430. 
Pine (pitch)—June—-September; straw to greenish yellow; 
head freckled; body marked with blackish dots and wavy 
lines, blackest on sides. Some are darker with dorsum 
tinged by reddish brown; length about 114 inches 
Lambdina athasaria pellucidaria (G. & R.), p. 435. 
Poplar—July—September; head brown, quadrate; body yel- 
lowish green, a reddish band on second abdominal segment. 
reddish blotches on dorsum, and a pair of blunt tubercles 
on eighth abdominal segment; length 1% inches 
Anacamptodes larvaria (Guen.), p. 430. 
